DeepSeek V3 0324 vs DeepSeek V4 Pro 0813

$0.021 / task
Wins 0 of 3 benchmarks
$0.36 / task
Wins 3 of 3 benchmarks
DeepSeek V3 03244.7
DeepSeek V4 Pro 081310.6
DeepSeek V3 03240
DeepSeek V4 Pro 08131.5
DeepSeek V3 03240.3
DeepSeek V4 Pro 081334.9

Specs

SpecDeepSeek V3 0324DeepSeek V4 Pro 0813
Input, per 1M$0.24$1.32
Output, per 1M$0.90$3.96
Cost per task?$0.021$0.36
Speed, tok/s136104
Context128K1M
WeightsOpenOpen
ReleasedMar 2025Aug 2026
Memory (4-bit)411 GB990 GB
LicenceMITMIT
Commercial useAllowedAllowed
See images——
Read PDFs——
Hear audio——
Watch video——
Call tools✓✓
Force a tool callPartial✓
Return strict JSON✓✓
Search the web??
Run code??
Use a computer??

What breaks when you switch

DeepSeek V3 0324 → DeepSeek V4 Pro 0813
Memory (4-bit): 411 GB → 990 GB
Pass back reasoning_content · Chat Completions›

With thinking and tools, return all prior reasoning_content even on turns without tool calls or the API returns HTTP 400.

Disable thinking mode first · Chat Completions›

Required and named tool choices return HTTP 400 in thinking mode; disable thinking first.

Parameters have no effect›

In thinking mode, temperature, presence_penalty and frequency_penalty have no effect.

top_p value is ignored›

In thinking mode, top_p is fixed at 0.95 with tools and 1.0 otherwise; in non-thinking mode it takes effect.

Stateless API · Responses›

Responses does not support previous_response_id or conversation; preserve conversation history in your client.

DeepSeek V4 Pro 0813 → DeepSeek V3 0324
Context: 1M → 128K